SEAT Ibiza: Aftermarket CarPlay radio firmware update to H-M-7033-251203
My Ibiza has an aftermarket head unit with wireless CarPlay and Android Auto. It’s been running firmware H-M-7033-86-250312 (from March 2025). A new version, H-M-7033-251203, is out, so I updated it. I also rebuilt the image with a custom boot logo (SEAT | FR) and 210 corrected German menu strings, since the factory translations are… creative (“McJumbo hier.” really does appear where “Lautsprecher” should be). This is a write-up of what I did, what I checked, what I didn’t check, and how to get back to the original if something goes wrong. I’ve been running the updated image on the radio for four days now — more on that below. ...